Angles of contact of three liquids of the same surface tension that rise equally in identical capillaries
The same question, asked 4 times: 9 May 2023 S2*, 10 May 2024 S1*, 13 Apr 2026 S1*, 15 Apr 2026 S2. Every wording below, oldest first.
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Question 1
9 May 2023 S2
3
Three liquids of densities ρ1,ρ2 and ρ3 (with ρ1>ρ2>ρ3) having same value of surface tension T, rise to the same height in three identical capillaries. Angle of contact θ1,θ2 and θ3 respectively obey
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Question 2
10 May 2024 S1
23
Three liquids have the same surface tension and densities ρ1,ρ2 and ρ3 (ρ1>ρ2>ρ3). In three identical capillaries the rise of liquid is the same. The corresponding angles of contact θ1,θ2 and θ3 are related as
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Question 3
13 Apr 2026 S1
111
Three liquids have same surface tension and have densities ρ1,ρ2 and ρ3(ρ1>ρ2>ρ3). In three identical capillaries rise of liquid is same. The corresponding angles of contact θ1,θ2 and θ3 are related as
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Question 4
15 Apr 2026 S2
110
Three liquids have same surface tension and densities ρ1,ρ2 and ρ3(ρ1<ρ2<ρ3). In three identical capillaries rise of liquid is same. The corresponding angle of contact θ1,θ2 and θ3 are related as